*{
    font-family: "微软雅黑";
    font-size: 16px;
    color:#252525;
    text-decoration: none;
    margin:0 auto;

}
.code{
    /*代码示例效果*/

}
.red{
    /*标红*/
}
.mingchen{
    font-weight: bold;
    font-size: 21px;

}
.slxg{
    font-weight: bold;
    font-size: 19px;
}
.left > div{
    text-indent: 20px;
    white-space: nowrap;
}

